General communications protocol to pass crystal faces around
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Methods
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Begin
Cell
End
Face
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Begin
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Begin ( self )
Called once when faces start coming in, before the first one |
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Cell
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Cell ( self, c )
Optionally called once before the faces to mark which cell is used |
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End
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End ( self )
Called after the last face. |
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Face
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Face (
self,
h,
k,
l,
d,
)
Called for each face.
d should be given in mm |
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